/Engine/Source/Runtime/Engine/Public/PrimitiveSceneProxy.h
Get the list of LCIs. Used to set the precomputed lighting uniform buffers, which can only be created by the RENDERER_API.
typedef [TArray](API\Runtime\Core\Containers\TArray)< class [FLightCacheInterface](API\Runtime\Engine\FLightCacheInterface) *, TInlineAllocator< 8 > > FLCIArray